Canon VB-H43 手册

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Detect objects that are carried in and abandoned for a certain amount of time. This function 

can be used to detect objects that have been left.

Abandoned object detection is triggered when an object is left in the detection area for a 

specified duration. 

Object abandoned.

Background Image 

Generated

Change in Designated Area

Analysis

Abandoned Object Detected

The object is abandoned 
and detection begins 
after set time.

Detect objects that are being removed. This function can be used to detect actions such as 

taking away valuables. 

Removed object detection is triggered when an object is removed from the detection area 

for a specified duration.

Removing an object.

Background Image 

Generated

Change in Designated Area

Analysis

Object Removal Detected

The picture (object) is 
removed and detection 
begins after set time.

Detect when the capture is being obstructed. This function can be used to detect when the 

camera orientation is changed or the image display is obstructed with spray, etc. 

Camera tampering detection is triggered when an area exceeding the set ratio of change is 

continuously altered by an object, etc.

Tampering detected.

Background Image 

Generated

Video Area Changes

Analysis

Camera Tampering Detected

Detection begins when the 
ratio of change in a video 
exceeds a set amount.